Important announcements regarding changes to test methodologies, reference ranges, CPT coding, new available assays or discontinued assays are reported to our clients weekly via MLabs Test Updates.  The following Test Update files, which contain information that is current when produced, may be printed for client use. However, information contained is subject to change over time. For more information or questions, please contact Customer Service at 800-862-7284.

Posted DateEffective DateTest NameCPT CodeFee CodeUpdate Type
Buprenorphine, Urine, Qualitative Screen80305 35999 Test Methodology Changed
Lysosomal Storage Disorders Screen, Urine83789, 86864, 84377, 84275, 82570 Reference range changed
Carcinoembryonic Antigen82378 Test Code Change
85306 Test Discontinued
Somatostatin84307 Test Code Change
T-Helper Cell Type 1 Cytokine Panel, Plasma 83520 x5 New Tests
83520 Test Discontinued
VEGF-D QuantitationTest Down or Delayed
Variety of Tests (see table) Test Code Change
Histone AntibodyReplacement Test
Methadone and Metabolites, SerumTest Resumed
Chili Pepper, IgE, Serum Test Down or Delayed
Varicella zoster Virus Antibody, IgG, CSFReference range changed
Quantitative T & B Lymphocyte Subset New Tests
Phosphatidylserine/Prothrombin Antibody, IgG 86148 Test Code Change
Methylmalonic Acid, Serum83921 Test Down or Delayed
Thyroid Stimulating Hormone84443 Miscellaneous
Methotrexate80204 Test Methodology Changed
Thiamine (Vitamin B1), Whole Blood 84425 New Tests
Vasoactive Intestinal Polypeptide84586 New Tests
Phosphatidylserine/Prothrombin Antibody Panel (IgG and IgM) 86148 x2 Test Discontinued
Carbon Monoxide Exposure, Blood82375 New Tests
Carbon Monoxide Exposure, Blood82375 Test Discontinued
Vasoactive Intestinal Polypeptide84586 Test Discontinued
SYPHILIS TESTS Miscellaneous
Molecular vaginosis-vaginitis/Chlamydia Tests New Tests
T4 (Thyroxine), Free by Dialysis84439 Test Down or Delayed
87633 Miscellaneous
Macadamia Nut, IgE86003 Reference range changed
ADAMTS-13 Activity85397 Test Resumed